/*
 * Copyright (2022) Bytedance Ltd. and/or its affiliates
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#pragma once

#include <functional>
#include <boost/noncopyable.hpp>
#include <Poco/Util/AbstractConfiguration.h>

namespace DB
{
using RawConfig = Poco::Util::AbstractConfiguration;
using RawConfAutoPtr = Poco::AutoPtr<Poco::Util::AbstractConfiguration>;
struct RawConfigDeleter
{
    void operator()(RawConfig * ptr)
    {
        if (ptr)
            ptr->release();
    }
};

class BaseConfigHolder : private boost::noncopyable
{
public:

    explicit BaseConfigHolder() = default;
    virtual ~BaseConfigHolder() = default;
    virtual void init(RawConfAutoPtr conf_ptr) = 0;
    virtual void reload(RawConfAutoPtr conf_ptr) = 0;
};
}
